Professor in Mechanical Engineering, Swansea University. CEng MIMechE, CMath MIMA SFHEA and author of over 150 academic papers. Founder of the Marine Energy Research Group in 2001. Research areas include: Tidal Stream, tidal range and wave power. Ocean energy devices with combined tide, wave and turbulent flows; CFD modelling of arrays, wakes, scour and deposition; analysis of field survey data; environmental impact analysis; multipurpose platforms; economics and business models.